#043937#043937

#043937 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.2% C 0.051 H 190.9°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#043937
RGB	rgb(4, 57, 55)
HSL	hsl(178, 87%, 12%)
HSV	hsv(178, 93%, 22%)
CMYK	cmyk(93%, 0%, 3.5%, 77.6%)
CIE-LAB	lab(20.93, -16.65, -3.47)
CIE-LCH	lch(20.93, 17.00, 191.77°)
OKLab	oklab(31.22% -0.0506 -0.0097)
OKLCH	oklch(31.22% 0.051 190.9)
XYZ	xyz(2.2025, 3.2276, 4.1206)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043937 #390406

analogous

#04391D #043937 #042139

triadic

#043937 #370439 #393704

tetradic

#043937 #1D0439 #390406 #213904

square

#043937 #1D0439 #390406 #213904

split-complementary

#043937 #390421 #391D04

monochromatic

#021D1C #021D1C #043937 #08726E #0CABA5

Accessibility & contrast

On white

12.76

#043937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#043937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043937

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043937	#FFFFFF	#000000	##FFFFFF
##043937	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353537

Deuteranopia (green-blind)

#2E3037

Tritanopia (blue-blind)

#003B38

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #043937;
/* rgb */ color: rgb(4, 57, 55);
/* oklch */ color: oklch(31.2% 0.051 190.9);

Tailwind

colors: {
  custom: {
    50: '#506f6d',
    500: '#043937',
    950: '#000000',
  },
}

SCSS

$custom: #043937;
$custom-light: #506f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#043937",
  "rgb": {
    "r": 4,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 177.736,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31222,
    "c": 0.05149,
    "h": 190.9
  },
  "luminance": 0.03228
}

Semantic roles & 50–950 ramp

primary

#043937

secondary

#7B1E21

accent

#2B33FD

background

#F4F6F6

surface

#E7ECEB

border

#C3C7C6

text

#020707

muted

#787A7A

Preview Lab

Preview with #043937

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →